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All installations and services must be performed by qualified service personnel. 

I.  

FURNACE SPECIFICATIONS  (SHIPPED SETTINGS) 

 
OL SERIES 

 

MODEL NO. 

OL2-56 

OL5-85 

OL11-105 

HEAT INPUT RATE IN BTU/HR  
 

70,000 

106,250 

126,000 

HEATING CAPACITY IN BTU/HR   
 

56,000 

85,000 

101,000 

 

 

 

 

HEIGHT OF CASING 

34-3/4” 

43-1/4” 

46-1/2” 

WIDTH OF CASING 

19” 

25” 

25” 

DEPTH OF CASING 

48” 

50-1/4” 

54-1/2” 

WARM AIR OUTLET 

17 x 17 

20 x 20 

20 x 20 

RETURN AIR INLET 

17 x 17 

20 x 14 

20 x 16 

 

 

 

 

DIA. OF FLUE OUTLET 

5” 

6” 

6” 

FLOOR-CENTER OF FLUE 

29-1/4” 

36” 

38-1/2” 

 

 

 

 

FLOWRATE from .2” & .5” w.c.  
EXTERNAL STATIC PRESSURE 

COOLING 

COOLING 

COOLING 

       @2 TON SWITCH SELECTION  (CFM) 

800 

800 

800 

       @2-1/2 TON SWITCH SELECTION  (CFM) 

1000 

1000 

1000 

       @3 SWITCH SELECTION  (CFM) 

1200 

1200 

1200 

       @3-1/2 TON SWITCH SELECTION  (CFM) 

1400 

1400 

1400 

 

 

 

 

 

HEATING 

HEATING 

HEATING 

      @70deg SWITCH SELECTION (CFM) 

737 

1134 

1335 

 

 

 

 

APPROX TEMPERATURE RISE (°F) 

70 

70 

70 

BLOWER MOTOR HP 

1/2 

1/2 

1/2 

NOZZLE SIZE 

.55 

.75 

.90 

NOZZLE SPRAY ANGLE PATTERN 

80º Hollow 

80º Hollow 

80º Hollow 

LARGEST RECOMMENDED 
AIR CONDITIONER 

3.5 Ton 

3.5 Ton 

3.5 Ton 

SIZE OF FILTERS 

16” x 20” 

20” x 20” 

20” x 25” 

NOTES: 
1.    Heating capacity based on annual fuel utilization efficiency rated by manufacturer. 
2.    On all outlet and inlet dimensions, the first dimension is width. 
3.    To permit largest recommended air conditioning (at .5 static pressure), selection of the highest motor speed is  

required. 

4.

 

Electrical characteristics at 115 volts, 60 Hz., 1 phase (less than 15 amps, for all models). 

5.

 

All specifications are subject to change without notice. 

 
 

Содержание OC2-56DE

Страница 1: ...GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER REF...

Страница 2: ...SHIPPED SETTINGS 1 II BLOWER CONTROL INFORMATION 4 A TERMINAL DEFINITIONS FIELD WIRING 4 B WIRING SWITCHES 5 C INPUTS 9 D OUTPUTS 9 E OPERATING MODES 10 F CFM TABLES 12 G ECM SPECIFIC REPLACEMENT PAR...

Страница 3: ...TION CFM 1000 1000 1000 3 SWITCH SELECTION CFM 1200 1200 1200 3 1 2 TON SWITCH SELECTION CFM 1400 1400 1400 HEATING HEATING HEATING 70deg SWITCH SELECTION CFM 737 1134 1335 APPROX TEMPERATURE RISE F 7...

Страница 4: ...TION CFM 1000 1000 1000 924 3 SWITCH SELECTION CFM 1200 1200 1200 1276 3 1 2 TON SWITCH SELECTION CFM 1400 1400 1400 1474 4 TON 1600 HEATING HEATING HEATING HEATING 70deg SWITCH SELECTION CFM 737 1134...

Страница 5: ...ION CFM 1200 1200 3 1 2 TON SWITCH SELECTION CFM 1400 1400 HEATING HEATING 70deg SWITCH SELECTION CFM 737 1134 APPROX TEMPERATURE RISE F 70 70 BLOWER MOTOR HP 1 2 1 2 NOZZLE SIZE 55 75 NOZZLE SPRAY AN...

Страница 6: ...ostat call for heat R 24 VAC to thermostat G Thermostat call for fan Y Thermostat call for cool DEHUM Humidistat call for dehumidification TXV systems ONLY Thermostat Humidistat connections for 2 Stag...

Страница 7: ...All installations and services must be performed by qualified service personnel 5 B WIRING SWITCHES HIGHBOY LOWBOY Figure 1 BLOWER WIRING...

Страница 8: ...installations and services must be performed by qualified service personnel 6 TURN OFF THE ELECTRICAL POWER to the furnace before attempting to disconnect blower wiring COUNTERFLOW Figure 2 BLOWER WIR...

Страница 9: ...tallations and services must be performed by qualified service personnel 7 TURN OFF THE ELECTRICAL POWER to the furnace before attempting to disconnect blower wiring OH5 85 DXE 2 STAGE Figure 3 BLOWER...

Страница 10: ...lations and services must be performed by qualified service personnel 8 TURN OFF THE ELECTRICAL POWER to the furnace before attempting to disconnect blower wiring Figure 2 BOARD LAYOUT WITH SWITCHES B...

Страница 11: ...oling is recognized when the thermostat connects Y to R This input has an indicator LED that will light when the control receives a call for cooling Refer to the Cool Mode section for the control oper...

Страница 12: ...flash once for every 100CFM the blower is producing E Operating Modes Standby Mode All outputs are off and the control is waiting for a thermostat demand The thermostat inputs and limit switch are co...

Страница 13: ...the burner is brought on They will continue at that speed until the delay time has elapsed The control remains in steady heat mode until the thermostat is satisfied When the call for heat signal is re...

Страница 14: ...s F CFM TABLES The following tables contain blower speed settings and their respective air flowrates for the ECM blower motor To change air flowrates from that of the shipped settings use the respecti...

Страница 15: ...r 350464 350464 350464 350464 350464 350464 III ECM TROUBLE SHOOTING A DIAGNOSTC FEATURES The control board is equipped with 4 green Input Status LEDs and 1 red Board Status LED These are intended to...

Страница 16: ...motor for tight shaft Perform motor control replacement check Run Moisture Check Motor rocks but won t start Check for loose or compliant motor mount Make sure blower wheel is tight on shaft Perform...

Страница 17: ...motor is bad Orient connectors down so water can t get in Install drip loops Locate connectors above 7 and 4 o clock positions Use authorized motor and control model s for replacement Replace one moto...

Страница 18: ...ce personnel 16 Low static pressure for lowest noise Set low continuous fan CFM T stat in bad location Figure 3 ECM PIN CONNECTORS Troubleshooting table above and Figure 2 adapted from GE Industrial S...

Страница 19: ...TO MOTOR IF CONNECTIONS ARE GOOD AND MOTOR STILL DOES NOT RUN REPLACE MOTOR THIS GUIDE SHOULD BE USED IN THE CASE OF A STOPPED OR MANFUNCTIONED ECM BLOWER MOTOR THE FOLLOWING SHOULD HELP ESTABLISH THE...

Страница 20: ...Status LED Off 1 HEAT mode On 2 BLOWER HEAT 3 Status LED Flashes 1 COOL mode On 2 Blower On Delay Started 3 Condenser On 4 Status LED On continuous 1 FAN mode On 2 BLOWER LOW 3 Status LED On continuo...

Страница 21: ...Fire Connect 2 Stage T stat to both W1 and W2 Single Stage T stat W2 Connect single stage T stat to W2 only BLOWER Speeds HEAT The Heating Blower speed selected by positions 1 2 3 of SW1 CFM tables o...

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